Automatic engagement and pressure checking system for an inflation control system

An automated engagement system for coupling the plunger of a syringe to a drive arm is provided. A pressure integrity test of the syringe assembly is automatically conducted after engagement. After a position sensor communicates a signal indicating the presence of a properly installed syringe assemb...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROYCE STEVEN D, O'DONNELL JOSEPH A, QUINONES ALBERT A
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	An automated engagement system for coupling the plunger of a syringe to a drive arm is provided. A pressure integrity test of the syringe assembly is automatically conducted after engagement. After a position sensor communicates a signal indicating the presence of a properly installed syringe assembly to a processor, a display prompts the operator to vent and then close a stopcock in the fluid line. The processor then controls the drive arm of the system to move into engagement with the plunger of the syringe assembly, and to move the plunger forward into the syringe barrel. The drive arm stops when a pressure sensor produces a signal indicating a positive pressure in the fluid line. The processor then controls the drive arm to move the plunger in a reverse direction until a negative pressure is detected. After this confirmation of pressure integrity in the syringe assembly, the processor controls the drive to move forward until a non-negative pressure is detected by the pressure sensor.